<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://www.tmooc.cn">

  用户名:<input type="text" name="username"  maxlength="5" value="abc" readonly placeholder="用户名"><br>
  密码<input type="password" name="password" placeholder="密码"><br>
  性别:<input type="radio" name="gender" value="m" id="r1"> <label for="r1">男</label>
    <input type="radio"name="gender" checked   value="w" id="r2" ><label for="r2">女</label><br>
    兴趣爱好:
    <input type="checkbox" name="hobby" value="cy">抽烟
    <input type="checkbox" name="hobby" checked value="hj">喝酒
    <input type="checkbox" name="hobby" value="tt">烫头<br>


    生日:
    <input type="date"  name="birthday"><br>
    文件选择器
    靓照: <input type="file" name="pic"><br>


  所在地:
  <select name="city">
    <option value="bj">北京</option>
    <option selected value="sh">上海</option>
    <option value="gz">江苏</option>

  </select><br>
  <input type="submit" value="注册">
  <input type="reset" value="重置设置">
<!--  自定义按钮-->
  <input type="button" value="按钮">
  <hr>

  <button type="submit">注册</button>
  <button type="reset">重置</button>
  <button type="button">按钮</button>

</form>
</body>
</html>